Science and Technology. Ping, a pulse of sound in active sonar. Pinging, the noise indicative of improper combustion in internal combustion engines. Ping (Chinese: åª), a Taiwanese measure of area. Ping project, a project of the European Molecular Biology network (EMBnet)
Pre-Market Stock Trading. As its name suggests, pre-market stock trading occurs before the stock market opens up for its regular hours of trading at 9:30 a.m ET. Pre-market stock trading takes place between the hours of 8:00 to 9:30 a.m. ET.
Amazon.com (AMZN) Strong In Pre-Market Trading. Trade-Ideas LLC identified Amazon.com ( AMZN) as a pre-market leader candidate. AMZN has an average dollar-volume (as measured by average daily share volume multiplied by share price) of $2.6 billion. AMZN traded 26,440 shares today in the pre-market hours as of 7:24 AM. AMZN is up 12.2% today from yesterday's close.